Yadav, Rupesh Kumar, Sadichhya Shah Malla, and Anupama Thapa. “Ultrasound Guided Thoracic Paravertebral Block As an Analgesic Technique for Tracheoesophageal Fistula Repair : A Case Report”. Birat Journal of Health Sciences 6, no. 1 (June 14, 2021): 1422–1425. Accessed May 6, 2024. https://nepjol.info/index.php/bjhs/article/view/37666.